Pebble Time Round vs. Fitbit Flex 2 vs. Amazfit Stratos vs. Amazfit Bip vs. Fitbit Alta HR

 
Time Round
Flex 2
Stratos
Bip
Alta HR
 PebbleTime RoundRemove Buy NowFitbitFlex 2Remove Buy NowAmazfitStratosRemove Buy NowAmazfitBipRemove Buy NowFitbitAlta HRRemove Buy Now

Basic Info

Suggested Price$200$100$199$99.99$150
Release20152016201820182017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days5 days5 days30 days7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a320 x 300176 x 176128 x 36
Sizeroundn/a1.34 inches1.28 inches1.4 inches
Touchn/a
Typee-paperLEDOLEDNAOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX75 ATM5 ATMIP68

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSn/aProprietary
Apps
Music

All Wearables